Structure and magnetic properties of thin FePt alloy films

As-deposited and annealed FePt thin films have been studied. X-ray diffraction analysis confirmed a phase transition from γ-FCC to γ 1-FCT due to annealing. Magnetic measurements revealed excellent magnetic hardening and exchange spring interaction in the annealed films. The large difference observe...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2002-02, Vol.239 (1), p.335-337
Hauptverfasser:	Minh, P.T.L., Thuy, N.P., Van, N.D., Chan, N.T.N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Exchange spring interaction Hall effects Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Physics Thin magnetic film
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Beschreibung
Zusammenfassung:	As-deposited and annealed FePt thin films have been studied. X-ray diffraction analysis confirmed a phase transition from γ-FCC to γ 1-FCT due to annealing. Magnetic measurements revealed excellent magnetic hardening and exchange spring interaction in the annealed films. The large difference observed in Hall effect measurement on the as-deposited and annealed samples can also be assigned to this exchange spring interaction.
ISSN:	0304-8853
DOI:	10.1016/S0304-8853(01)00656-4